[ostree] core: pack: Add --metadata-only argument

[Colin Walters <walters src gnome org>]

commit 9cb87ffc0738f12d78d496eecaefcb758f800c2d
Author: Colin Walters <walters verbum org>
Date:   Sat Apr 28 07:54:40 2012 -0400

    core: pack: Add --metadata-only argument
    
    Useful for bare repositories.

 src/ostree/ot-builtin-pack.c |   17 ++++++++---------
 tests/t0001-archive.sh       |   16 +++++++++++++++-
 2 files changed, 23 insertions(+), 10 deletions(-)
---
diff --git a/src/ostree/ot-builtin-pack.c b/src/ostree/ot-builtin-pack.c
index 7ea5dea..cacb876 100644
--- a/src/ostree/ot-builtin-pack.c
+++ b/src/ostree/ot-builtin-pack.c
@@ -35,6 +35,7 @@
 #define OT_GZIP_COMPRESSION_LEVEL (8)
 
 static gboolean opt_analyze_only;
+static gboolean opt_metadata_only;
 static gboolean opt_reindex_only;
 static gboolean opt_keep_loose;
 static char* opt_pack_size;
@@ -51,6 +52,7 @@ static GOptionEntry options[] = {
   { "pack-size", 0, 0, G_OPTION_ARG_STRING, &opt_pack_size, "Maximum uncompressed size of packfiles in bytes; may be suffixed with k, m, or g", "BYTES" },
   { "internal-compression", 0, 0, G_OPTION_ARG_STRING, &opt_int_compression, "Compress objects using COMPRESSION", "COMPRESSION" },
   { "external-compression", 0, 0, G_OPTION_ARG_STRING, &opt_ext_compression, "Compress entire packfiles using COMPRESSION", "COMPRESSION" },
+  { "metadata-only", 0, 0, G_OPTION_ARG_NONE, &opt_metadata_only, "Only pack metadata objects", NULL },
   { "analyze-only", 0, 0, G_OPTION_ARG_NONE, &opt_analyze_only, "Just analyze current state", NULL },
   { "reindex-only", 0, 0, G_OPTION_ARG_NONE, &opt_reindex_only, "Regenerate pack index", NULL },
   { "keep-loose", 0, 0, G_OPTION_ARG_NONE, &opt_keep_loose, "Don't delete loose objects", NULL },
@@ -749,8 +751,12 @@ do_stats_gather_loose (OtRepackData  *data,
         }
       else if (is_loose)
         {
-          GVariant *copy = g_variant_ref (serialized_key);
-          g_hash_table_replace (ret_loose, copy, copy);
+          if (!(opt_metadata_only && !OSTREE_OBJECT_TYPE_IS_META(objtype))
+              || OSTREE_OBJECT_TYPE_IS_META (objtype))
+            {
+              GVariant *copy = g_variant_ref (serialized_key);
+              g_hash_table_replace (ret_loose, copy, copy);
+            }
           n_loose++;
         }
       else if (g_variant_n_children (pack_array) > 1)
@@ -873,13 +879,6 @@ ostree_builtin_pack (int argc, char **argv, GFile *repo_path, GError **error)
   if (!ostree_repo_check (repo, error))
     goto out;
 
-  if (ostree_repo_get_mode (repo) != OSTREE_REPO_MODE_ARCHIVE)
-    {
-      g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED,
-                   "Can't repack bare repositories yet");
-      goto out;
-    }
-
   data.repo = repo;
   data.error = error;
 
diff --git a/tests/t0001-archive.sh b/tests/t0001-archive.sh
index bdcea5b..f2084dd 100755
--- a/tests/t0001-archive.sh
+++ b/tests/t0001-archive.sh
@@ -21,7 +21,7 @@ set -e
 
 . libtest.sh
 
-echo '1..19'
+echo '1..23'
 
 setup_test_repository "archive"
 echo "ok setup"
@@ -104,3 +104,17 @@ $OSTREE checkout --user-mode --link-cache=linkcache test2 test2
 cd test2
 assert_file_has_content baz/cow moo
 echo "ok checkout link cache"
+
+$OSTREE pack --metadata-only
+echo "ok pack metadata"
+
+$OSTREE fsck
+echo "ok fsck"
+
+cd ${test_tmpdir}
+rm -rf checkout-test2
+$OSTREE checkout test2 checkout-test2
+echo "ok checkout metadata-packed"
+
+$OSTREE unpack
+echo "ok unpack"